{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "891797130",
    "entityType": "User",
    "nonce": "0x8c777da98976bddb4a301f15c86b84a85a80ead1337e61dddcb7ee0fc02ef06d",
    "signature": "0x672ffcd7967055d86d27987f1ffba5e50016fa3fdcacba0c65423b201e3418c855d70b4139aad5d1c55a45b344d6cf415437d567a81753ad0c996d8cd2fbf5881c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}