{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296186",
    "entityType": "User",
    "nonce": "0xa5da776d07aa83782537a053c94ca92a0c36d4d394cf5b3bbabb3aa4cdf84050",
    "signature": "0x1d99073dc8667be6544731ded810cd3a6392ea8f013272e810f44a3525d507a06d493e3271b9a63514271930d572a83d1262b047c293ff2bb8f802bbcd3fba4e1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}