{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc1cc8396a1aef133e3eaa0039c075489777f21a1cd311992b9555a1bee65efba",
    "signature": "0x9362d526929fabeaf3c9f1297cc70b9cb0bbabcc5ee786b2f3f7d4bc7a54bbf7252d80ae284b0b01d8e348cd115212e9b216188bd78c46d10b74e37e02c39d021c",
    "signer": "0x0CA12afE73CB018164f165dB6C3CC22427E4E4BF",
    "userId": "725993586"
  }
}