{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "625326746",
    "entityType": "User",
    "nonce": "0xfd880c1d7372fe00e7c06f22957d4cb05b28ba833b778a4df46814a42b1e919e",
    "signature": "0xe36151569614cae269988639b6997d44719d84f0ab3ecc115c159ff50641997929d64c4efa50ac715c2b34ad41817504f39f91840da99d9e9908d903b0ee3a5a1b",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}