{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "212715",
    "entityType": "User",
    "nonce": "0x3580a7305005cb77b878acdaa347be5c9d35ea612d569552a73fa0859e0b9a46",
    "signature": "0x35525b932eaf728f0d37a66709200bebb302aa50ed1e634697823dd2a679e1b64411596ed0cc4cf7a9fcd825be89826f5cf5e4d9bf291ea608bc4d2b820e54ee1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}