{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394061",
    "entityType": "User",
    "nonce": "0x86dc254f0e635253dcdc1da6e23151eabaa2e1f7dcccc18567e12bda07bb000b",
    "signature": "0xf0c887048c265a28fe39cf77fa60c130510d82486cab6221e0814472125e0d8e4a8eea3a1c0decfd785d817bc4372d2247bc609f0da604c894a00ab5df95549d1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}