{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2512",
    "entityType": "User",
    "nonce": "0xeae4daecd19396c6df0ea2c1bc24e165601389f32f918efb5f6c4b877e0571e6",
    "signature": "0x7db978e917384dc1999101213114832c1be9cef061a0645131a2f6918c9ef53860fd9f74c6e6901229bbafaa53669a328faedd63c59c06bb32b18ab7a6b699f61c",
    "signer": "0x8739aB96B52ccc56d0E5226Ff69659162d4269A9",
    "userId": "320952162"
  }
}