{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xeae73d3dfb3c4663b05e22a0a07ab8ba64330beb80a1ab8532c7872adb89f392",
    "signature": "0x4079c09ee2a6fb4910620140bc852caa42ab4789a5747176854f062260297d097162b78bd24ba6181a9f3a39b4ec57611c1a181b45d2f1c7936144ff33e3f47b1c",
    "signer": "0xD30951657Ad20337343729C13eE7fa4ba34C6805",
    "userId": "770809245"
  }
}