{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126728",
    "entityType": "User",
    "nonce": "0xb00bf29cdd4ee1b0f7bc09e43938941dd733c97b8e5847ca98a9d21b7a0b447f",
    "signature": "0x20843c3535d9a5fbe9d25889d9dcf8fab5eb57feeffbc2bbaefefd6384a2e85f5b993bb62ce6c38800dac864f00cbcc6de91b40386608348cdb28211576e014c1c",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}