{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x0102ad33da3f026bba46973c62927bcfdf7308d72b6e7e860d9b5ad939f5c0d0",
    "signature": "0xeda37c5cbea7162e25be76417a8460747611bfb8458a8a8e02a13df32f0e9dee074c62ea2c107431a90b4312366b134f725a2be3d2a6a5065e07c52592648cea1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}