{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1882933",
    "entityType": "User",
    "nonce": "0xdd563b48d651951993bbeb882eab3fbc2d12f477ca1883676f12f67be22e2c70",
    "signature": "0x317622f0c056d463aa8a69809c7071a03484998901d9b2520e85e98b72c9627c5d13dd9899a8ab60d598857fcc0d2b408a290933b99cdeea57aba9023c4121f91c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}