{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74462",
    "entityType": "User",
    "nonce": "0xe751a062fe900593b2a812f6f0c0b09906b8ac249cdd986b80054d9bd45496bc",
    "signature": "0xb424a2149c91b18711738b313b2ed73dd28a0b791ede0779613dd403de7395a40c74a4c55b40e919c758edbee93beb36cefcb6ab43d576dffc3c9002631b42041b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}