{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253160273",
    "entityType": "User",
    "nonce": "0x62a12e7ef723cb783549de392bf67ab2cac74c2455f800f2845525030588937e",
    "signature": "0x3da20a4aa5d384f91cf51fc451c1538b74eeee06e6050c2809915825654a3745554c8e537dde13c6b31bc2eb74adc3220c9fdfa4c95ec2e03054bc99275a1bd21b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}