{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119723",
    "entityType": "User",
    "nonce": "0x1b96c00f09ab5fe8b9a01999e80a6539fcfa063b48b53fb88774d3ad1dd18d41",
    "signature": "0x09d531cbb3bbdfefdadaf5fdf22ac0e15092881af453c1430f4634429713c2822acc3a89c66fca4778169ebc12b88bd2aa92b1294e7456c69ae9a5c6922d18971b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}