{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106406",
    "entityType": "User",
    "nonce": "0x9b0702760fd7cd8dfe23b5e011c228e7ac50364f890aa17237a282d149622a81",
    "signature": "0x7d52c9ea68b807dd99d9a1ed57eac99f10f5340a4469043a39b8c096f0624f7c0e9cbee8f552bb10575fe07e16c07e2ecdab27b61a4489450c0f86742108a9491c",
    "signer": "0xBBBE9eFc177a4E708d317195Fa81aA6E8E2F7E92",
    "userId": "557135181"
  }
}