{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70970",
    "entityType": "User",
    "nonce": "0x4499fa763936b5827176111ea53239bb68a0ea3a2375aa435b54fe7ac017871c",
    "signature": "0x5f62e1a8e92efdfb3b2c1a01ec1d034c19b3f6b78dbb051dd29225751437cbbd48682f9ed93b5596448859ed55198e881b1fe5667e204cd06022b0fe56e83cee1c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}