{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67615010",
    "entityType": "User",
    "nonce": "0x81eaea4ed2a2f00bca5eb13ea9c8f490241af4c013ef3c7a4ca45626460abb8f",
    "signature": "0x93d92a65ed4973626b2badc00db79a3baf1bef2de4db080f5b56afd4791d465106ce3d0e756ec3c7c8b3f23ce2ec1fc8483e997de440b03351139afd70442b661c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}