{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0x281d4160b9306b63a8a4e20994b123626d6d9a15bcd2be78a1bac1a4489f15b1",
    "signature": "0x3fe210a266274ef72d0c509c91caed1174285646abc91e216370c2799bf66c87616c105a38ec69bed28201da0e071829069dfc5213bd60b1397b2e76c353755e1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}