{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbbe33688fbceec5f886fcaeee6667bdda9921e166e8da58e9c58a64a60cf3142",
    "signature": "0x1c80515cddf7c0a2406f25370a4fec5a7861ab32fcca63631eb2b637cc95bcbc39902e1926efe03980538fb026ba3995b9b0985b8d34301e4be2d72aa513f18c1c",
    "signer": "0xf0979F1cE009d38FDeC247F277DC4117Eea13a51",
    "userId": "136377171"
  }
}