{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x911fda1c6dfe6a18898c2f8b3bccccf72ea3f0091ac50c61ff28413fa0f16a31",
    "signature": "0xe376fa9279e7e6631a080895ad32fe7cd1adc2104042c8872202202c4f302a59515d895f35c80aded293b6e0875932d5761ae9851a2ff008a98acbf49e2627c81b",
    "signer": "0xBE9d32514253Dd58e431533A4e86e09cAC16bAe5",
    "userId": "700682201"
  }
}