{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "244961",
    "entityType": "User",
    "nonce": "0x8d6937c11e46dfe28765d6cdefb721d579fa696b75816c57cf24d42592a56eef",
    "signature": "0x246479568ed17afc80ef619dc4fc66fa08a02b24657b8b33b5b7bff431d844d12c8051ba8612759013819e02e583d19a189167894f7392ec66fe39de292221731b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}