{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "194079",
    "entityType": "User",
    "nonce": "0xe0f704ae1e7aec60801a58c47a0439c98fe761bebb494f48c965e62baf5293d0",
    "signature": "0xb05c4d5cdb4796d616caaca9e50b464e61c48dd96690c09e064703f40c9dad101e887f0cd7daf1491a1dbe3f7d4a175847fcd72cc63ff0ecfbbaf62c08c55a2c1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}