{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392127",
    "entityType": "User",
    "nonce": "0x850b34cdbc2988af580a18c5688688afe440eef704b8a043ba56424db1877435",
    "signature": "0x0fcc80542e5124dd12705a067e90fd0ef469d20c55ad12581330c03a77da6b043a256a1d71bd265368908f18f9e176d00645fdce599d7797a5da0d699d98641f1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}