{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x184e43b5cdc67ef0eec3fceaad006c5206852bb1898c9fffe4a34abdbdec54bb",
    "signature": "0x6c90c66b4afd5e6cb512d918c2a3c5daaf2a11d4bb54e319eeb3cc0c606d370371d29fc5d8201b5bf8b5c197b60796850c661243db13595c567a103a87740fd21c",
    "signer": "0x098E8AD4F32ebD77E3842377D6764388b71a77c4",
    "userId": "801605059"
  }
}