{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x55ee42ce655e296a9028de07bf28ad6ccefae7ad554c50e985cf6006dfdc0747",
    "signature": "0xab1a65c3f99e35ce32b8fe3b589fb4d379e447e0e06770a91885c82633737a4d1549cfd9d45be65572321b80a5de08240fb797faf44da352ee45596fbbc5680e1c",
    "signer": "0x704b735698b4AD6E9E2136A2BC9C2385B38148c1",
    "userId": "635918520"
  }
}