{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127964",
    "entityType": "User",
    "nonce": "0x329e5ffffc516962bd05526517db795a725d9aef571691b870f3f20f252e4292",
    "signature": "0xe4d6f7d748f5053534e69234625ac81c7f7071f24a8efc1d7a609c523efd25460c9816cf7c80ca57310e87487a3bcd3f840217be139884b890a972a325bc64511c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}