{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89852",
    "entityType": "User",
    "nonce": "0x8aa74dc9cb6b2cc7bba2001bd5333c305e9cfcec2627c954249775f659c93c88",
    "signature": "0x84cc7f0c13948b6e71dbb7d55dd95b5324c8c95a3e7a8451aacdfd4196d8447f5fad077008dddb790036dd04c233e7e7cb883e9c02279183fe8cba3ad295efe61b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}