{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0e7df7affbf612b89852af414bba1621854dee381c1dc6dccbc18150ff013786",
    "signature": "0xe04ae079882987184a2b58715f1a89d8c0513eaff40bae200bf6bf6bffcbdf9b52f0efe857f28d6be8110d05dd133695ab44f167b921f8f9d66ad8dc3b8b1e581c",
    "signer": "0xC06E04BCf9bB6499714eb77Aca5583c70cF9F5a9",
    "userId": "226221804"
  }
}