{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126318",
    "entityType": "User",
    "nonce": "0x5f9aeeed9a5ee6b048db22bda29bfd8e6446fb24dfacc8672760f17e045b4ff6",
    "signature": "0x60e8cdb8a34fec9f190d592b3170d27622a2cf597382fe51b663338f8c3d27c337f27316cdea7a4b1922fe736447d8019b08944a34ac4067e989631243d5a6381b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}