{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3b474e8843e23b22942660f437a36746c4c65532b36c2ce62f5bebf185051371",
    "signature": "0x91206f3537de03d3f85a846edc886836aaba33b5e6405d2a93d91f416a0e19d60f220983e37688bdcf4ca4efa3ca5d88ff7845706c8270747589877f4286fe571c",
    "signer": "0xfcc1ebd834F0a4e20443BB7a77c345084d78bd3A",
    "userId": "465161300"
  }
}