{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x33d0e35280e8f2efe78c8a0e48b8fab30bd42a1d8acd757a1a9fd082d0dfa8fe",
    "signature": "0x41af0f5b1cb9752421e80ea16980594577b37ca06ce5a16b57303213c633cdcf061ffdbf1d0bcdc721978ff5f0ae464a65b6e82ba2cd5a45decb9fe588f19abf1b",
    "signer": "0xCef561EE6820d822EB0b22a8c39872f436b144be",
    "userId": "887714144"
  }
}