{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51702",
    "entityType": "User",
    "nonce": "0x66d058e53088e83ba932bb2ee20a13d0847bbdcd0ce29020bea18cd3c6eee62d",
    "signature": "0x9d05dff3c2d63931858fe742800d4176fa34a3b11107f49e42f69b13f8af697a73176e81077d3272d7c00d1dc8c8a7883be3c7ab60cec10f62bcb7038a2647111b",
    "signer": "0x3Ec98fFA47eF7773803b73964753B99Ae2D50f41",
    "userId": "545926315"
  }
}