{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "823613833",
    "entityType": "User",
    "nonce": "0xadb64f6f5052aa73726329cb3403684a8c764dfa550cf113bec1646bddff90b7",
    "signature": "0xf4dd7fc16c42f687d1e398f0ff874348d22ee312b2c1734ecd61b73c113fd4482495a41da26727fca442b4bb71c0b0a2f4a31513f93aa0b3bd990c0cbfba97171c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}