{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146962",
    "entityType": "User",
    "nonce": "0x1be452f85670cf53cd84e2bd49dcd6f61df613269c3726647caf29ccb333470c",
    "signature": "0x096ee0d5da8074e99096f9e33a7727efe89449dc029a7878dc016779cf73d0520f66f2d1fe3f89d17e5ddc65857c326635487d7ce634aafa1ff5a42d64cc8e731c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}