{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x184e24980d1b22237498df57321adaa6f623dc65a050716613070e16d6d508b4",
    "signature": "0xaefc1beef86a7d1fc0965678447164cdf0c153d513a0bb70fec69ffdc46cf4b97aea2f843fda4eac33ba710b29b947a89ae24c0dd20978928360cd0dce2cd7fc1c",
    "signer": "0xeba209eB804B902811A8C9e3483f38e2cbeD16c6",
    "userId": "205220626"
  }
}