{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78985",
    "entityType": "User",
    "nonce": "0x6b3732f7686f20862ff5ae8007600ee04f9cf1ecdd6b2d4455c516019f712c58",
    "signature": "0x0f9ba86b44296eba9472df77e32b9cb0bf474fb68c0f27d617cfef7909d91d477aeb7c7cc1b430a157c4d491a6ef78bfca6b1a34ac6cd2aeaedf158191c2bef81c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}