{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2364",
    "entityType": "User",
    "nonce": "0x869a2ef24d258e79ea62b3743d244317376317d0e1d058675306e89315d4d5f2",
    "signature": "0x7558b2d6b8156c2f5c0e5263a639e32ec66a95d8fb0b25527e26ff5b758ecdc74f5ffde9c84b516672ee83b88e7ac5d0949425a04b913b99c63d0b30aa6c73571b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}