{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286349",
    "entityType": "User",
    "nonce": "0x54b79b000eb2f646d1285f27684b88e32cfd8dc88544a28e0446f8f8c553d149",
    "signature": "0x67c1b5c09d38d80009f881eef3d3d71b4c6bf0629b95da65823d539500af52f25663b5d913677082af4179cfb332fda85aeabe2ccc58764ebdce3c8c7183f7511c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}