{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "476184",
    "entityType": "User",
    "nonce": "0xc5ced82972c010c24d0ccde22344bf4bc81b21ee3acb144577830a14a3c00c02",
    "signature": "0x2fed1a04b7fa70fe632f0680890b217067cfa9baa97aca68decbbf9c58e355a85036e55a595c14dc60852b445950aa75c4e648b405f8c148c9582347106fa1441c",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}