{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169829",
    "entityType": "User",
    "nonce": "0x74e0c7b62c89895fa5c29cf560ea23508ec8712384d4119fc9eca7d4076497b4",
    "signature": "0x9c1b75ef884091e923cf4f848deaf67e49b97f6ca8bf42a580c52c7e19b18fc70021ec819a8f8acbf7b3855e69e8864f4ab852326eb1fdecc2aabff40eaee6011c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}