{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115138",
    "entityType": "User",
    "nonce": "0x8b26583e9c83549a7d0b89326e24f089ae5c210b240029cdd63abce8cddaa25c",
    "signature": "0x22a321bd484117e4641e51e7c4f57cfa24c93c78d039c65454001b79767ea4e647ee50ee19444fc87b530b685af90f03ff8e7f4429e645e8af583b6f44832d701b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}