{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89226",
    "entityType": "User",
    "nonce": "0x434d62c451b47d3dc0b382b5ce3f6466ece38aa4ef0681764fd4049a9cccd528",
    "signature": "0x1c873d1a549cc2c6abc782d05d24ff9ffded4afbcf73de15c95e1e169824e16d28eddfc06e3637782771a91534da85f6aabb9b0bae43c7bd5c44dbdb5718e6991c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}