{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0x57f9ac4ccc37876bc05a06d80f5c7fc265ca7195d06279e179ea7be6bb8cc797",
    "signature": "0x1767e4f33e5551790c05b3aad4bd65359d1ddf0ac803235decfb33d649bd90900c8cfead41f36711f503b4ef42f73d2f308d19a4517187d325ae655c333478691b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}