{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955997519",
    "entityType": "User",
    "nonce": "0x1064cbd558929cd72f8ea50854aecfdd87ca773cf7bd145e0206a523b4f7c051",
    "signature": "0xcfb81a4bddd64107bf6e91474d99471b711cbf9133e381611098272af324702c09377a45a3c760dc1728ba5e72567f4a8768d963d82688d321a4f74008c010571b",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}