{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x914cd2e7f94d50efb5cda799b4854cc317e9e6ea8226322781cdf38576b15975",
    "signature": "0x254d161e03158af1ea177a7db7097f31de9f027619c6e25fc600388e9bdb1331228eaf906da0ab7880dd91136cc0156dcef128fb4b252a2d696e89d5fb12bad11c",
    "signer": "0x2C6b8afd40B71e2cbE6A470F093686B27aA1D4F3",
    "userId": "617174344"
  }
}