{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd4826fb18e579edf7f653fdb0bca0a9cf3062968b081f914efb5ac5302dbd2f5",
    "signature": "0x3514a42c0efc141a2078472d8bc118d8fce771ef4bc1711affa48425acde4a7873904f8f0d089c6d15184dd05357cfa0af0428dace3b592616938913901cd3e31c",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}