{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4966",
    "entityType": "User",
    "nonce": "0xd2a6d464ce4bb1bc05ab0cd18f1d9f89ef34153a47a5c9b0f7d6b9d4e1a9e728",
    "signature": "0x40f76a65420e8f45dfc2e85bc6c5882ac1cc73d08e6f728ce77b7b2fd7d72cfa4b5ab76786373c542eafcc6cd34ec102f85dc4891854f15052916ba97f82eb341b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}