{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65869",
    "entityType": "User",
    "nonce": "0x1b14c2e569cfcb684930fb730365eae0b40f07cf460b6064402daaf5feed78a7",
    "signature": "0x07caa913498859228bfccb419f12d53da662b96cdf9cea8cb9febba0200f4acc05b9d1744b580cca5d80dbb4dc3e429b4ea439d489f21a7ea01060096630fe191b",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}