{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54988",
    "entityType": "User",
    "nonce": "0x41efd0c2978a0ddde0a185b6427a73cbdd866c24abb2d6573451ff0815183aea",
    "signature": "0xb3ece219c3b70cf8b8bfc9cc723f5d5236545bc78feee735dfdc121362f333d956446a09c43be43f91f4454310c33cbeec63229942c8d7bdf65d8034bb2a715a1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}