{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5096125a8dad4beb4b3529295f2262aee90c648a502f2b67e564070eeca4f0a5",
    "signature": "0x9a77a7876a54eba5431e62d69a81273e46e31c229ec6da1361f7093a252645680acabfb7d532c69f42d2f4efa5175191838ab586d3274054bf6988cdf6102c1e1c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}