{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1d01abf9e53dba59eb9ad66464c2ca04917a9e9fac2596d2c98dc03a0b8959b0",
    "signature": "0x8eb84a01910a40ab19eed334c220cd99c060a4d430c6d85daa4f5deda969b71f2d81216c1a4f8a191dcee64174a8f05e9a360f0e0fe8a57ddbc5b33f475b62c31b",
    "signer": "0x32a4b3557029E1dd517090D79005fA0d923E8c0b",
    "userId": "841059385"
  }
}